Multi-code OBD2 diagnosis

Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.

Summary

Overall severity
Low
Can I keep driving?
Yes, no immediate risk
Estimated cost
$50 to $400
Codes analyzed
1 of 1

The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.

Order of inspection

  1. P0142 O2 Sensor Circuit Malfunction (Bank 1 Sensor 3) Low

    The P0142 code means there is an electrical fault in the circuit of the bank 1 sensor 3 oxygen sensor. The most common causes are a damaged connector, wiring burned by the exhaust or the sensor itself.

    Step-by-step diagnosis for P0142